RAY-650 bicycle fork for leisure sports city bicycle, aluminum alloy lower leg + forged aluminum crown , 30mm high carbon steel stanchion , coil spring fork, center distance 116, the overall strength is better; the front fork outer tube has sufficient inner space and thicker tires. The tire wheel has a larger contact area with the ground and has more friction, which can adapt to more complex road conditions. Optional functions: hydraulic lock-out / mechanical lock-out / Preload adjust / wire control lock-out, is more convenient to operate.